<ul class="list-group">
    <li class="list-group-item list-title">功能列表</li>
    <li class="list-group-item list1">
        <img src="/images/zd.png" alt="">
        <span>账单管理</span>
    </li>
    <li class="list-group-item list2">
        <img src="/images/gys.png" alt="">
        <span>供应商管理</span>
    </li>
    <li class="list-group-item list3">
        <img src="/images/yh.png" alt="">
        <span>用户管理</span>
    </li>
    <li class="list-group-item list4">
        <img src="/images/mm.png" alt="">
        <span>密码修改</span>
    </li>
    <li class="list-group-item list5">
        <img src="/images/tc.png" alt="">
        <span>密码修改</span>
    </li>
</ul>